Reynolds, Sir Joshua (1723-92) (after). English. Medium: mezzotint. Date: 18th Century. Lady Letitia Lade (d.1825) wife of Sir John Lade. Lade climbed the social ladder, moving from her working class roots to become the mistress of the Duke of York and finally marrying Sir John Lade in 1787. Mezzotint made by Frederick Bromley (fl.1832-70) Provenance: Private Collection.